[INFO] fetching crate mcp4x 0.1.0...
[INFO] testing mcp4x-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mcp4x 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate mcp4x 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcp4x 0.1.0
[INFO] finished tweaking crates.io crate mcp4x 0.1.0
[INFO] tweaked toml for crates.io crate mcp4x 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 824e6d3e7d4a86dd5234a66e4d46744533c7942b0abf0d238af3dbdaaf121222
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "824e6d3e7d4a86dd5234a66e4d46744533c7942b0abf0d238af3dbdaaf121222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "824e6d3e7d4a86dd5234a66e4d46744533c7942b0abf0d238af3dbdaaf121222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "824e6d3e7d4a86dd5234a66e4d46744533c7942b0abf0d238af3dbdaaf121222", kill_on_drop: false }`
[INFO] [stdout] 824e6d3e7d4a86dd5234a66e4d46744533c7942b0abf0d238af3dbdaaf121222
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61c6204a907e5616e5e6e8e2f2cbec99ee066e4455200f3e944bc6dc049c9d02
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "61c6204a907e5616e5e6e8e2f2cbec99ee066e4455200f3e944bc6dc049c9d02", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.6
[INFO] [stderr]    Compiling mcp4x v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated trait `hal::digital::OutputPin`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]    --> src/interface.rs:26:23
[INFO] [stdout]     |
[INFO] [stdout] 26  |     CS: hal::digital::OutputPin,
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `hal::digital::OutputPin::set_low`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]   --> src/interface.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |         self.cs.set_low();
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `hal::digital::OutputPin::set_high`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]   --> src/interface.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |         self.cs.set_high();
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "61c6204a907e5616e5e6e8e2f2cbec99ee066e4455200f3e944bc6dc049c9d02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61c6204a907e5616e5e6e8e2f2cbec99ee066e4455200f3e944bc6dc049c9d02", kill_on_drop: false }`
[INFO] [stdout] 61c6204a907e5616e5e6e8e2f2cbec99ee066e4455200f3e944bc6dc049c9d02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be5627bd120a2cfb7a5727db943e0118cc6d75a59476c3536c36fa8d21f695da
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "be5627bd120a2cfb7a5727db943e0118cc6d75a59476c3536c36fa8d21f695da", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling embedded-hal-mock v0.4.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stdout] warning: use of deprecated trait `hal::digital::OutputPin`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]    --> src/interface.rs:26:23
[INFO] [stdout]     |
[INFO] [stdout] 26  |     CS: hal::digital::OutputPin,
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `hal::digital::OutputPin::set_low`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]   --> src/interface.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |         self.cs.set_low();
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `hal::digital::OutputPin::set_high`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]   --> src/interface.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |         self.cs.set_high();
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling spidev v0.3.0
[INFO] [stderr]    Compiling i2cdev v0.4.4
[INFO] [stderr]    Compiling sysfs_gpio v0.5.4
[INFO] [stderr]    Compiling linux-embedded-hal v0.2.2
[INFO] [stderr]    Compiling mcp4x v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated trait `hal::digital::OutputPin`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]    --> src/interface.rs:26:23
[INFO] [stdout]     |
[INFO] [stdout] 26  |     CS: hal::digital::OutputPin,
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `embedded_hal::digital::OutputPin`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]  --> tests/interface.rs:8:29
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl embedded_hal::digital::OutputPin for DummyOutputPin {
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `hal::digital::OutputPin::set_low`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]   --> src/interface.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |         self.cs.set_low();
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `hal::digital::OutputPin::set_high`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]   --> src/interface.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |         self.cs.set_high();
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.95s
[INFO] running `Command { std: "docker" "inspect" "be5627bd120a2cfb7a5727db943e0118cc6d75a59476c3536c36fa8d21f695da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be5627bd120a2cfb7a5727db943e0118cc6d75a59476c3536c36fa8d21f695da", kill_on_drop: false }`
[INFO] [stdout] be5627bd120a2cfb7a5727db943e0118cc6d75a59476c3536c36fa8d21f695da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9bb260f89eb709be2546dfae74c131ec1bfb3a45b768acfd14a4fbcfe5d12a40
[INFO] running `Command { std: "docker" "start" "-a" "9bb260f89eb709be2546dfae74c131ec1bfb3a45b768acfd14a4fbcfe5d12a40", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated trait `hal::digital::OutputPin`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout] running 4 tests
[INFO] [stderr]    --> src/interface.rs:26:23
[INFO] [stdout] test tests::can_set_position_ch1 ... ok
[INFO] [stderr]     |
[INFO] [stderr] 26  |     CS: hal::digital::OutputPin,
[INFO] [stderr]     |                       ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `hal::digital::OutputPin::set_low`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stderr]   --> src/interface.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |         self.cs.set_low();
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `hal::digital::OutputPin::set_high`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stderr]   --> src/interface.rs:35:17
[INFO] [stderr]    |
[INFO] [stderr] 35 |         self.cs.set_high();
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mcp4x` (lib) generated 3 warnings
[INFO] [stderr] warning: `mcp4x` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: use of deprecated trait `embedded_hal::digital::OutputPin`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stderr]  --> tests/interface.rs:8:29
[INFO] [stderr]   |
[INFO] [stderr] 8 | impl embedded_hal::digital::OutputPin for DummyOutputPin {
[INFO] [stderr]   |                             ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mcp4x` (test "interface") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mcp4x-9fd031189314ff64)
[INFO] [stdout] test tests::can_shutdown_ch_0 ... ok
[INFO] [stderr]      Running tests/interface.rs (/opt/rustwide/target/debug/deps/interface-0f749093e164ef27)
[INFO] [stdout] test tests::can_shutdown_ch_1 ... ok
[INFO] [stdout] test tests::can_set_position_ch0 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test mcp41x::set_position_all ... ok
[INFO] [stdout] test mcp41x::set_position_cannot_provide_invalid_channel ... ok
[INFO] [stdout] test mcp41x::set_position_ch0 ... ok
[INFO] [stdout] test mcp41x::shutdown_ch0 ... ok
[INFO] [stdout] test mcp42x::set_position_ch0 ... ok
[INFO] [stdout] test mcp42x::shutdown_all ... ok
[INFO] [stdout] test mcp41x::wrong_channel_matches ... ok
[INFO] [stdout] test mcp41x::shutdown_all ... ok
[INFO] [stdout] test mcp42x::shutdown_ch1 ... ok
[INFO] [stdout] test mcp42x::set_position_all ... ok
[INFO] [stdout] test mcp42x::set_position_ch1 ... ok
[INFO] [stdout] test mcp41x::shutdown_cannot_provide_invalid_channel_ch1 ... ok
[INFO] [stdout] test mcp42x::shutdown_ch0 ... ok
[INFO] [stderr]    Doc-tests mcp4x
[INFO] [stdout] test mcp41x::wrong_channel_can_fail - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 95) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 75) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 114) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 53) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.53s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9bb260f89eb709be2546dfae74c131ec1bfb3a45b768acfd14a4fbcfe5d12a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bb260f89eb709be2546dfae74c131ec1bfb3a45b768acfd14a4fbcfe5d12a40", kill_on_drop: false }`
[INFO] [stdout] 9bb260f89eb709be2546dfae74c131ec1bfb3a45b768acfd14a4fbcfe5d12a40